Hajipur vs Tiruchirappalli
Side-by-side air quality comparison between Hajipur and Tiruchirappalli.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Hajipur | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 55.80 | 3.70 |
| PM10(µg/m³) | 82.70 | 4.40 |
| NO₂(µg/m³) | 0.80 | 1.10 |
| SO₂(µg/m³) | 8.90 | 1.90 |
| O₃(µg/m³) | 205.00 | 90.00 |
| CO(µg/m³) | 318.00 | 116.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hajipur averaged an AQI of 173 while Tiruchirappalli averaged 50 — a 123-point (246%) gap, with Hajipur the more polluted and Tiruchirappalli the cleaner of the two. On 84 days when both cities reported, Tiruchirappalli was cleaner on 84 of them; the average daily gap was 190 AQI points.
Seasonality & days
Hajipur peaks in December, while Tiruchirappalli peaks in January. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Tiruchirappalli 46 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 6 compared to Hajipur's 93. That's a significant difference of 87 points.